<?php  //$Id: form.php,v 1.2.2.6 2009/01/16 10:20:02 nicolasconnault Exp $

///////////////////////////////////////////////////////////////////////////
//																	   //
// NOTICE OF COPYRIGHT												   //
//																	   //
// Moodle - Modular Object-Oriented Dynamic Learning Environment		 //
//		  http://moodle.com											//
//																	   //
// Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com	   //
//																	   //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or	 //
// (at your option) any later version.								   //
//																	   //
// This program is distributed in the hope that it will be useful,	   //
// but WITHOUT ANY WARRANTY; without even the implied warranty of		//
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		 //
// GNU General Public License for more details:						  //
//																	   //
//		  http://www.gnu.org/copyleft/gpl.html						 //
//																	   //
///////////////////////////////////////////////////////////////////////////

require_once($CFG->libdir.'/formslib.php');

/**
 * First implementation of the preferences in the form of a moodleform.
 * TODO add "reset to site defaults" button
 */
class course_settings_form extends moodleform {

	function definition() {
		global $USER, $CFG;

		$mform =& $this->_form;

		$systemcontext = get_context_instance(CONTEXT_SYSTEM);
		$can_view_admin_links = false;
		if (has_capability('moodle/grade:manage', $systemcontext)) {
			$can_view_admin_links = true;
		}

		// General settings
		$strchangedefaults = get_string('changedefaults', 'grades');
		$mform->addElement('header', 'general', get_string('generalsettings', 'grades'));
		if ($can_view_admin_links) {
			$link = '<a href="' . $CFG->wwwroot.'/'.$CFG->admin.'/settings.php?section=gradessettings">' . $strchangedefaults . '</a>';
			$mform->addElement('static', 'generalsettingslink', $link);
		}
		$options = array(-1									  => get_string('default', 'grades'),
						 GRADE_REPORT_AGGREGATION_POSITION_FIRST => get_string('positionfirst', 'grades'),
						 GRADE_REPORT_AGGREGATION_POSITION_LAST  => get_string('positionlast', 'grades'));
		$default_gradedisplaytype = $CFG->grade_aggregationposition;
		foreach ($options as $key=>$option) {
			if ($key == $default_gradedisplaytype) {
				$options[-1] = get_string('defaultprev', 'grades', $option);
				break;
			}
		}
		$mform->addElement('select', 'aggregationposition', get_string('aggregationposition', 'grades'), $options);
		$mform->setHelpButton('aggregationposition', array('aggregationposition', get_string('aggregationposition', 'grades'), 'grade'));

		// Grade item settings
		$mform->addElement('header', 'grade_item_settings', get_string('gradeitemsettings', 'grades'));
		if ($can_view_admin_links) {
			$link = '<a href="' . $CFG->wwwroot.'/'.$CFG->admin.'/settings.php?section=gradeitemsettings">' . $strchangedefaults . '</a>';
			$mform->addElement('static', 'gradeitemsettingslink', $link);
		}

		$options = array(-1							=> get_string('default', 'grades'),
						 GRADE_DISPLAY_TYPE_REAL	   => get_string('real', 'grades'),
						 GRADE_DISPLAY_TYPE_PERCENTAGE => get_string('percentage', 'grades'),
						 GRADE_DISPLAY_TYPE_LETTER	 => get_string('letter', 'grades'),
						 GRADE_DISPLAY_TYPE_REAL_PERCENTAGE => get_string('realpercentage', 'grades'),
						 GRADE_DISPLAY_TYPE_REAL_LETTER => get_string('realletter', 'grades'),
						 GRADE_DISPLAY_TYPE_LETTER_REAL => get_string('letterreal', 'grades'),
						 GRADE_DISPLAY_TYPE_LETTER_PERCENTAGE => get_string('letterpercentage', 'grades'),
						 GRADE_DISPLAY_TYPE_PERCENTAGE_LETTER => get_string('percentageletter', 'grades'),
						 GRADE_DISPLAY_TYPE_PERCENTAGE_REAL => get_string('percentagereal', 'grades'));
		asort($options);

		$default_gradedisplaytype = $CFG->grade_displaytype;
		foreach ($options as $key=>$option) {
			if ($key == $default_gradedisplaytype) {
				$options[-1] = get_string('defaultprev', 'grades', $option);
				break;
			}
		}
		$mform->addElement('select', 'displaytype', get_string('gradedisplaytype', 'grades'), $options);
		$mform->setHelpButton('displaytype', array('gradedisplaytype', get_string('gradedisplaytype', 'grades'), 'grade'));


		$options = array(-1=> get_string('defaultprev', 'grades', $CFG->grade_decimalpoints), 0=>0, 1=>1, 2=>2, 3=>3, 4=>4, 5=>5);
		$mform->addElement('select', 'decimalpoints', get_string('decimalpoints', 'grades'), $options);
		$mform->setHelpButton('decimalpoints', array('decimalpoints', get_string('decimalpoints', 'grades'), 'grade'));

// add setting options for plugins
		$types = array('report', 'export', 'import');

		foreach($types as $type) {
			foreach (get_list_of_plugins('grade/'.$type) as $plugin) {
			 // Include all the settings commands for this plugin if there are any
				if (file_exists($CFG->dirroot.'/grade/'.$type.'/'.$plugin.'/lib.php')) {
					require_once($CFG->dirroot.'/grade/'.$type.'/'.$plugin.'/lib.php');
					$functionname = 'grade_'.$type.'_'.$plugin.'_settings_definition';
					if (function_exists($functionname)) {
						$mform->addElement('header', 'grade_'.$type.$plugin, get_string('modulename', 'grade'.$type.'_'.$plugin, NULL, $CFG->dirroot.'/grade/'.$type.'/'.$plugin.'/lang/'));
						if ($can_view_admin_links) {
							$link = '<a href="' . $CFG->wwwroot.'/'.$CFG->admin.'/settings.php?section=gradereport' . $plugin . '">' . $strchangedefaults . '</a>';
							$mform->addElement('static', 'gradeitemsettingslink', $link);
						}
						$functionname($mform);
					}
				}
			}
		}

		$mform->addElement('hidden', 'id');
		$mform->setType('id', PARAM_INT);

		$this->add_action_buttons();
	}
}
?>
